Cashmere socks: Per Ines de la Fressange, Rover Vivier's brand ambassador, Cashmere House in the 8e Paris is the best place to buy cashmere socks in every color Pantone has ever schemed up and then some.

To replicate the precise hue of the paint, he armed himself with a book of Pantone color samples, headed to Jay Street in Brooklyn, where a collection of parked police cars usually can be found, and held the samples against the vehicles until he found the ones that matched.